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<html>
    <head>
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        <title>Not exists</title>
        <script  type="text/css">
            .center{
                text-align: center;
                align-items: center;
                align-self: center;
                align-content: center;
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    <body>
        <script src="../css/index.css" type="text/css"></script>
        <h1 class="center" style="color: aqua;">200</h1>
        <h2 class="center" style="color: gold;">But I can't open for you</h2>
    </body>
</html>